NUMERICAL SIMULATION OF THE FLOW AROUND AN AIRFOIL TYPE TRANSPORT VEHICLE NEAR THE GROUND

The problem of modeling the flow around an airfoil type transport vehicle near ground is considered. turbulent. Nowadays, most advanced mathematical models aerodynamics are based on physical properties a viscous compressible gas and Reynolds-averaged Navier – Stokes equations. Mathematical turbulent flows remains one challenging problems. Reliable prediction characteristics extremely important scientific problem. This due to complexity insufficient study turbulence as phenomenon. aim this work build model, numerical method, algorithm for solving problem, develop software studying aerodynamic type. To close –Stokes equations, one-parameter Spalart Allmaras model was used. initial system differential equations written in curved coordinate system. boundary conditions parameters formulated. methodology, developed. finite-volume method used integration solved multi-block formulation. developed methodology algorithms set programs were tested standard problems: transversely placed circular cylinder ball. Numerical compressed moving performed. All calculations carried out Reynolds number Re=1,0*10^6 Mach M=0,4. simulations performed grid. influence investigated. studies have shown that presence nearby has significant impact vehicle. Thus, order ensure required dynamics ground, it necessary take into account its characteristics.